The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 05 May 2025 06:26 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	381062	3.26%	13741	27.73	AMAZON-02, US
2	9829	183835	1.57%	2001	91.87	BSNL-NIB National Internet Backbone, IN
3	8151	153017	1.31%	12106	12.64	UNINET, MX
4	12479	101153	0.87%	7755	13.04	UNI2-AS, ES
5	28186	96211	0.82%	224	429.51	ITS TELECOMUNICACOES LTDA, BR
6	36903	79644	0.68%	1249	63.77	MT-MPLS, MA
7	10620	79470	0.68%	3527	22.53	Telmex Colombia S.A., CO
8	39891	78919	0.68%	4797	16.45	ALJAWWALSTC-AS, SA
9	7552	70068	0.60%	3925	17.85	VIETEL-AS-AP Viettel Group, VN
10	4155	69539	0.60%	2712	25.64	USDA-1, US
11	209181	67767	0.58%	44	1540.16	ZENEX5IVE-NL, GB
12	7545	59261	0.51%	6218	9.53	TPG-INTERNET-AP TPG Telecom Limited, AU
13	25048	53324	0.46%	5	10664.80	DSNET DSNet, GB
14	27775	47069	0.40%	323	145.72	Telecommunicationcompany Suriname - TeleSur, SR
15	367	44142	0.38%	2613	16.89	DNIC-ASBLK-00306-00371, US
16	36914	43330	0.37%	570	76.02	KENET-AS, KE
17	647	43130	0.37%	412	104.68	DNIC-ASBLK-00616-00665, US
18	45899	41701	0.36%	3285	12.69	VNPT-AS-VN VNPT Corp, VN
19	174	41427	0.35%	4046	10.24	COGENT-174, US
20	4249	41218	0.35%	302	136.48	LILLY-AS, US
21	58224	40935	0.35%	1284	31.88	TCI, IR
22	5371	40512	0.35%	279	145.20	DNIC-ASBLK-05120-05376, US
23	17794	39483	0.34%	13	3037.15	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
24	22884	38218	0.33%	1066	35.85	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
25	19429	36257	0.31%	704	51.50	ETB - Colombia, CO
26	150706	35377	0.30%	93	380.40	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
27	17049	35082	0.30%	64	548.16	MBO-NET, US
28	18403	34949	0.30%	4357	8.02	FPT-AS-AP FPT Telecom Company, VN
29	138077	33065	0.28%	30	1102.17	IDNIC-ABHINAWA-AS-ID PT Abhinawa Sumberdaya Asia, ID
30	7713	31317	0.27%	3696	8.47	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
31	20940	31138	0.27%	4077	7.64	AKAMAI-ASN1, NL
32	24835	30876	0.26%	1746	17.68	RAYA-AS, EG
33	63376	30803	0.26%	2	15401.50	TOUCHTONE-CUSTS, US
34	263069	30461	0.26%	11	2769.18	BRT Comercio de Produtos de Informatica LTDA, BR
35	20473	29284	0.25%	1286	22.77	AS-VULTR, US
36	11830	29000	0.25%	1996	14.53	Instituto Costarricense de Electricidad y Telecom., CR
37	360	28213	0.24%	117	241.14	DNIC-ASBLK-00306-00371, US
38	25454	27989	0.24%	45	621.98	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
39	7029	27269	0.23%	2068	13.19	WINDSTREAM, US
40	36992	27117	0.23%	1437	18.87	ETISALAT-MISR, EG
41	9808	26810	0.23%	10471	2.56	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
42	28657	26611	0.23%	2	13305.50	MD Brasil - Tecnologia da Informacao Ltda, BR
43	26611	26592	0.23%	199	133.63	COMUNICACION CELULAR S.A. COMCEL S.A., CO
44	13188	26559	0.23%	1606	16.54	TRIOLAN, UA
45	7155	25725	0.22%	3865	6.66	VIASAT-SP-BACKBONE, US
46	11492	25694	0.22%	4711	5.45	CABLEONE, US
47	8551	25082	0.21%	1633	15.36	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
48	16625	24986	0.21%	3129	7.99	AKAMAI-AS, US
49	8369	24659	0.21%	60	410.98	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
50	6503	24390	0.21%	1043	23.38	Axtel, S.A.B. de C.V., MX
Total		2689740	23.02%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	15401.5	0.26%	2	30803	TOUCHTONE-CUSTS, US
2	28657	13305.5	0.23%	2	26611	MD Brasil - Tecnologia da Informacao Ltda, BR
3	201643	10713.0	0.18%	4	21426	EGOV66-AS, RU
4	25048	10664.8	0.46%	5	53324	DSNET DSNet, GB
5	397829	6980.0	0.06%	1	6980	SCC-INET-01, CA
6	396950	5735.0	0.05%	1	5735	COMSTBARTH-AS, FR
7	50674	5235.0	0.04%	1	5235	SPBEX-AS, RU
8	29469	4897.0	0.04%	1	4897	GTU Khmelnitsky, Ukraine, UA
9	886	4617.0	0.04%	1	4617	SBH-IX-SERVICES, FR
10	7954	4147.3	0.11%	3	12442	IMMENSE-NETWORKS, US
11	398781	4050.2	0.17%	5	20251	OSL-188, US
12	51408	3895.0	0.03%	1	3895	SIRIUS-AS, RU
13	269270	3852.3	0.10%	3	11557	ANDRE FERREIRA LIMA SERVICOS DE COMUNICACAO, BR
14	265566	3662.0	0.16%	5	18310	TELESISTEMAS PENINSULARES SA DE CV, MX
15	17794	3589.4	0.34%	13	39483	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
16	263069	2769.2	0.26%	11	30461	BRT Comercio de Produtos de Informatica LTDA, BR
17	32685	2710.0	0.02%	1	2710	AEG-VISION, US
18	401698	2440.0	0.02%	1	2440	NJCL-AS, US
19	132792	2324.0	0.02%	1	2324	UPV-MIAGAO-AS-AP University of the Philippines Visayas, Miagao, PH
20	211865	2299.0	0.02%	1	2299	ASN-MONDOHITECH, IT
21	45494	2275.0	0.02%	1	2275	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
22	136867	2093.3	0.05%	3	6280	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
23	137258	2068.0	0.02%	1	2068	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
24	34901	2044.3	0.05%	3	6133	GDC-AS, RU
25	35690	1938.8	0.08%	5	9694	IRANINSURANCE-AS, IR
26	18610	1920.0	0.02%	1	1920	SEQUOIA-AS, US
27	135445	1918.8	0.13%	8	15350	IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
28	31104	1849.0	0.03%	2	3698	EVACY, FR
29	56639	1797.0	0.02%	1	1797	LNET-COM-UA-AS, UA
30	12220	1754.0	0.09%	6	10524	I-EVOLVE-TECHNOLOGY-SERVICES, US
31	215385	1630.0	0.03%	2	3260	ASN-ALONET, IT
32	29382	1621.5	0.03%	2	3243	UKRINFOSYSTEMS-AS, UA
33	57285	1609.0	0.01%	1	1609	UKRINFOSYSTEMS-AS, UA
34	48090	1603.0	0.04%	3	4809	DMZHOST, GB
35	14713	1590.2	0.18%	13	20672	HBL-35-14713, US
36	211177	1584.0	0.01%	1	1584	MET-PIT-EN-CO-BV, NL
37	56611	1543.9	0.09%	7	10807	REBACOM-AS, NL
38	209181	1540.2	0.58%	44	67767	ZENEX5IVE-NL, GB
39	131872	1517.0	0.03%	2	3034	IITP-AS-KR IITP, KR
40	13341	1484.4	0.06%	5	7422	TRANQUILITY, US
41	208337	1369.0	0.05%	4	5476	TELEMANAPOLI, IT
42	41525	1345.5	0.07%	6	8073	FILI-AS, RU
43	328448	1264.0	0.01%	1	1264	Direction-Generale-Des-Impots-AS, BF
44	265626	1220.0	0.01%	1	1220	SITE TELECOM, MX
45	215706	1217.0	0.02%	2	2434	ASN-WIRITALY, IT
46	216165	1180.0	0.01%	1	1180	HYPERNET, AM
47	131578	1163.0	0.01%	1	1163	BFSUNET Beijing Foreign Studies University, CN
48	139955	1162.2	0.06%	6	6973	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
49	204318	1142.0	0.01%	1	1142	BGPTOOLS-QA, GB
50	138077	1102.2	0.28%
Total		160833.5	4.71%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	30797	0.26%	63376 -- TOUCHTONE-CUSTS, US
2	168.0.128.0/22	30174	0.25%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
3	77.89.192.0/22	27612	0.23%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
4	38.224.214.0/24	27213	0.23%	174 -- COGENT-174, US
5	138.99.97.0/24	26539	0.22%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
6	185.68.100.0/22	21422	0.18%	201643 -- EGOV66-AS, RU
7	45.172.92.0/22	18286	0.15%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
8	81.90.139.0/24	17787	0.15%	25048 -- DSNET DSNet, GB
9	81.90.132.0/24	17774	0.15%	25048 -- DSNET DSNet, GB
10	81.90.133.0/24	17759	0.15%	25048 -- DSNET DSNet, GB
11	104.206.88.0/22	16904	0.14%	62904 -- AS62904, US
12	188.213.84.0/23	16053	0.13%	20473 -- AS-VULTR, US
13	103.223.2.0/24	15299	0.13%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
14	223.196.5.0/24	14776	0.12%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
15	130.137.231.0/24	14584	0.12%	16509 -- AMAZON-02, US
16	124.195.190.0/24	14448	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
17	202.181.232.0/23	14302	0.12%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
18	202.45.88.0/24	13191	0.11%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	203.145.74.0/24	13175	0.11%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	203.145.78.0/24	13109	0.11%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
21	207.167.116.0/22	12439	0.10%	7954 -- IMMENSE-NETWORKS, US
22	45.183.83.0/24	11442	0.10%	269270 -- ANDRE FERREIRA LIMA SERVICOS DE COMUNICACAO, BR
23	130.137.12.0/24	10391	0.09%	16509 -- AMAZON-02, US
24	130.137.108.0/24	9716	0.08%	16509 -- AMAZON-02, US
25	84.205.66.0/24	9642	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
26	185.92.8.0/22	9540	0.08%	35690 -- IRANINSURANCE-AS, IR
27	130.137.227.0/24	8893	0.07%	16509 -- AMAZON-02, US
28	188.240.83.0/24	8825	0.07%	20473 -- AS-VULTR, US 398781 -- OSL-188, US
29	130.137.111.0/24	8802	0.07%	16509 -- AMAZON-02, US
30	130.137.124.0/24	8690	0.07%	16509 -- AMAZON-02, US
31	130.137.28.0/24	8664	0.07%	16509 -- AMAZON-02, US
32	130.137.99.0/24	8591	0.07%	16509 -- AMAZON-02, US
33	130.137.26.0/24	8578	0.07%	16509 -- AMAZON-02, US
34	130.137.133.0/24	8557	0.07%	16509 -- AMAZON-02, US
35	130.137.147.0/24	8556	0.07%	16509 -- AMAZON-02, US
36	130.137.85.0/24	8494	0.07%	16509 -- AMAZON-02, US
37	130.137.140.0/24	8475	0.07%	16509 -- AMAZON-02, US
38	130.137.47.0/24	8427	0.07%	16509 -- AMAZON-02, US
39	130.137.86.0/24	8425	0.07%	16509 -- AMAZON-02, US
40	130.137.127.0/24	8424	0.07%	16509 -- AMAZON-02, US
41	130.137.136.0/24	8423	0.07%	16509 -- AMAZON-02, US
42	130.137.130.0/24	8409	0.07%	16509 -- AMAZON-02, US
43	130.137.105.0/24	8393	0.07%	16509 -- AMAZON-02, US
44	130.137.16.0/24	8350	0.07%	16509 -- AMAZON-02, US
45	130.137.121.0/24	8306	0.07%	8987 -- AMAZON EXPANSION, IE
46	130.137.150.0/24	8299	0.07%	16509 -- AMAZON-02, US
47	130.137.141.0/24	8287	0.07%	16509 -- AMAZON-02, US
48	193.105.156.0/24	8267	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
49	173.82.67.0/24	8261	0.07%	16509 -- AMAZON-02, US
50	130.137.81.0/24	8253	0.07%	16509 -- AMAZON-02, US
Total		648023	5.39%

14 Day BGP Profile: 21-April-2025 00:00 - 4-May-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	25765034
Number of Prefix Updates:	11686347
Number of Prefix Withdrawals:	344558
Average Prefixes per BGP Update:	0.47
Average BGP Update Messages per second:	21.30
Average Prefix Updates per second:	9.95
Peak BGP Update Message Rate per second:	57005	(21:21:42 Wed, 30-Apr-2025)
Peak Prefix Update Rate per second:	2382	(21:40:23 Thu, 1-May-2025)
Peak Prefix Withdraw Rate per second:	28032	(21:41:57 Wed, 30-Apr-2025)
Prefix Count:	1027647
Updated Prefix Count:	1005972
Stable Prefix Count:	21675
Origin AS Count:	76912
Updated Origin AS Count:	76110
Stable Origin AS Count:	802
Unique Path Count:	647767
Updated Path Count:	545893
Stable Path Count:	101874

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.